<ul><li><a href="#foreach-遍历" onclick="gotoArch()">foreach 遍历</a></li>
<li><a href="#foreach-键值遍历" onclick="gotoArch()">foreach 键值遍历</a></li>
<li><a href="#forindex-索引遍历" onclick="gotoArch()">forindex 索引遍历</a></li>
<li><a href="#forvalue-值遍历" onclick="gotoArch()">forvalue 值遍历</a></li>
</ul>